Thread: Transperancy rating
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Old 01-06-2007, 03:57 PM
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JohnG (John)
Looking Down From Above

JohnG is offline 		 
Join Date: Dec 2005
Location: Cootamundra, NSW
Posts: 1,711
Here is a link to the Pickering Seeing Scale:

http://uk.geocities.com/dpeach_78/pickering.htm

Cheers

JohnG
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